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10.4 Powerbook with external display: wake from sleep = black screen
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Mac Elite
Join Date: Jul 2001
Location: Switzerland
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This is extremely frustrating.
My Powerbook crashes almost 100% of the time I try to wake it after sleep. I have disabled sleep in the Energy saver prefpane in the Power Adapter settings.
However, I operate my PB in with closed lid, so I have to either shut it down or put it to sleep to disconnect USB and the display. This results in a wake to black screen -- which, considering there is nothing I can do (no login, no shutdown, disk is spinning), forces me to reboot the book by pressing the power button. So, practically, this results in a crash.
As I'm using a filevaulted home directory, I find this quite unsettling -- I've actually lost a boatload of prefs, my LaunchBar settings, my iTunes music library and some other stuff in one of these crashes a few days back. (Basically my powerbook crashes daily).
I'm now running memtest to make sure this is not related to bad RAM (although it clearly only started the day I "upgraded" with archive-and-install to 10.4).
Anyone else have problems with powerbooks, external displays, and sleep?
(Edit: maybe I should add that there's also a USB hub connected to the Cinema Display's USB port)
(Last edited by workerbee; May 9, 2005 at 02:35 AM.
(Reason:USB hub))
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MBP 15" 2.33GHz C2D 3GB 2*23" ACD
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Mac Elite
Join Date: Nov 2002
Location: Washington, DC
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I've had the exact same issue under 10.3. Haven't had it yet with 10.4 yet, but it was fairly sporadic even before. Sorry I can't be of any help, but I'm looking for a better solution for this too. BTW, ever have it work in clamshell mode, but not allow you to adjust the monitor brightness? That one really sucks.
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Mac Elite
Join Date: Jul 2001
Location: Switzerland
Status:
Offline
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Originally Posted by sworthy
I've had the exact same issue under 10.3. Haven't had it yet with 10.4 yet, but it was fairly sporadic even before. Sorry I can't be of any help, but I'm looking for a better solution for this too. BTW, ever have it work in clamshell mode, but not allow you to adjust the monitor brightness? That one really sucks.
It worked perfectly under 10.3.9 (although I have admit I only bought the Cinema display 1 month ago) -- never had an issue. I've never noticed monitor brightness not working... only sometimes the white display thingie does not show.
Oh, and today Tiger even crashed without the external display... closed the PB after detaching power and USB, reopened 1/2 hour later (no power or USB attached): nothing -- black screen, disk audible, no reaction whatsoever to any input, no way to put it back to sleep that I know of... as Steve would say: "Boom". 
(Last edited by workerbee; May 9, 2005 at 06:27 AM.
(Reason:today's 2nd crash))
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MBP 15" 2.33GHz C2D 3GB 2*23" ACD
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Mac Elite
Join Date: Jul 2001
Location: Switzerland
Status:
Offline
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Just a FYI: resetting the Power Management Unit (PMU) makes Spotlight forget its index and re-index everything.
Nice.
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MBP 15" 2.33GHz C2D 3GB 2*23" ACD
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